Web app developer serving Berlin — fixed-price builds for European founders.
Berlin is one of Europe's premier startup cities. Consumer apps, fintech, marketplace, and deep tech founders building in Berlin need a development partner with international engineering standards and fixed-scope reliability.
Berlin-based founder who needs a senior web application developer — fixed budget, 12-week delivery, and a product that meets European user expectations and GDPR requirements
Berlin's startup ecosystem is deep — N26, Zalando, HelloFresh, and Delivery Hero all built here. Berlin founders expect engineering quality at the level set by these companies. The challenge: finding a development partner who delivers that standard with fixed scope and budget.
Berlin's technology verticals:
Consumer apps: Berlin has a strong consumer tech culture. Mobility, food, and lifestyle apps have natural Berlin audiences and EU distribution.
Fintech: N26 and dozens of fintech startups have established Berlin as a European fintech hub. Founders building neobanks, payment tools, and financial management apps.
Marketplace: Zalando's success has spawned a marketplace-savvy founder community. Berlin founders building vertical marketplaces for fashion, food, B2B services.
Deep tech: Berlin's university system (TU Berlin, FU Berlin, HU Berlin) creates a steady supply of technical founders building AI, climate tech, and industrial software.
GDPR and European compliance: Any application serving EU users must comply with GDPR. Every build includes GDPR-compliant architecture: consent management, data subject rights (access, deletion, portability), privacy by design, and DPA agreements with sub-processors.
Web application deployed — GDPR-compliant architecture, production-grade code, and a product ready for Berlin's sophisticated tech-literate users
GDPR-compliant architecture
consent management, data subject rights, audit trail
Web applications
Next.js, React, TypeScript
Multilingual
German and English language support
EU payment infrastructure
Stripe EU with SEPA Direct Debit and local payment methods
SaaS products
subscription architecture with EU VAT handling
Mobile apps
React Native for iOS and Android
One honest number to start.
Fixed-scope, fixed-price. The number below is the starting point — final scope is built from your brief.
Web application deployed — GDPR-compliant architecture, production-grade code, and a product ready for Berlin's sophisticated tech-literate users
Three steps, every time.
The same repeatable engagement on every project. No surprises, no mystery, no billable ambiguity.
Brief & discovery.
We send you questions, then get on a call. Output: a written scope with every step, feature, and integration listed.
Build & ship.
Fixed schedule, weekly reviews. No scope creep unless you change the scope — and if you do, we reprice it transparently.
Warranty & retainer.
30-day warranty on every launch. Most clients stay on a monthly retainer for ongoing features and maintenance.
Why Fixed-Price Matters Here
Berlin investors and founders expect clear accountability. Fixed-price development matches the directness of Berlin's working culture.
Questions, answered.
GDPR compliance is built into the architecture: data encrypted at rest, user consent tracking, right-to-deletion workflow, and privacy policy generator. All third-party sub-processors sign DPAs. Add approximately 2-3 days of development to any project scope.
EU VAT for digital services (MOSS scheme or OSS scheme post-2021) requires charging the buyer's country VAT rate. Stripe Tax handles this automatically. Paddle is an alternative as Merchant of Record if you want to outsource all EU VAT compliance.
Tell Ryel about your project.
Describe what you’re building and what outcome you need. You’ll have a written, fixed-price scope within the week.